Harsens Island, St. Clair County, Michigan Property Taxes
Property Taxes in Harsens Island, Michigan
Median Harsens Island, Michigan effective property tax rate: 1.00%, significantly lower than the national median of 1.02%, and lower than the Michigan state median of 1.05%.
Median Harsens Island, Michigan home value: $292,100
Median annual Harsens Island, Michigan tax bill: $2,777, $377 higher than the national median property tax bill of $2,400.
How are property taxes in St. Clair calculated?
Property taxes in Harsens Island, Michigan are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Harsens Island's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Harsens Island, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Harsens Island, St. Clair County, Michigan Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1%
Estimate Property Tax Bill
$2,921
$2,711
How Does the Harsens Island Property Tax Calculator Work?
Use this Harsens Island property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Harsens Island's median effective tax rate of 1.00% — based on actual property records in St. Clair County — to generate your estimate.
Enter your property's estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Harsens Island's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Harsens Island: rates are 1.00% in 48028, with the highest and lowest median tax bill both at $2,777. Harsens Island's median tax rate is lower than the state median tax rate of 1.05%, but the median tax bill is higher than the state median by $377.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Harsens Island.
About Harsens Island Property Taxes
About Property Taxes in Harsens Island, St. Clair, Michigan
Harsens Island's median effective property tax rate of 1.00% is lower than the Michigan state median of 1.05% and lower than the national median of 1.02%. This rate reflects the St. Clair County base levy combined with local school district levies and Tax increment finance districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Harsens Island. Homeowners in the 48028 ZIP code carry a median effective rate of 1.00%, while those in 48028 pay 1.00%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across St. Clair County. Understanding which part of Harsens Island you live in can make a meaningful difference to your annual tax bill.
Harsens Island homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the March 9, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Harsens Island, St. Clair County, Michigan
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Harsens Island's effective property tax rate to other cities in Michigan and the median property tax rates in Michigan and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Harsens Island Tax Rate
1.00%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective St. Clair County Tax Rate
0.72%
Median Effective Michigan Tax Rate
1.05%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Harsens Island, St. Clair County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48028 | 0.54% | 0.66% | 1.00% | 1.40% | 1.75% |
Source: Ownwell
Property Tax Assessment Values Across Harsens Island, St. Clair County, Michigan
When examining property taxes in Harsens Island, Michigan, understanding the distinction between market value and assessed value is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The St. Clair County assessor estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In St. Clair County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. For example, the median home price in Harsens Island is $292,100, with tax bills ranging significantly across the county. The median tax bill is $2,777, compared with the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. ZIP code 48028 has the highest median home price at $292,100.
Property Tax Assessment Values Across Harsens Island, St. Clair County, Michigan
Source: Ownwell
$54,200
$198,700
$343,200
Median Harsens Island Market Value
$292,100
Median St. Clair County Market Value
$214,800
Median Michigan Market Value
$213,740
Median United States Market Value
$235,294
Property Tax Assessment Values Across Harsens Island, St. Clair County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48028 | $102,420 | $170,650 | $292,100 | $477,600 | $686,020 |
Source: Ownwell
Property Tax Bills Across Harsens Island, St. Clair County, Michigan
Property tax bills in Harsens Island are calculated by applying the local property tax rate to a home’s assessed value, which is based on the market value of the property. For homeowners, that means the tax bill can change when the assessed value changes, even if the home itself has not changed much. Local taxing authorities use the assessed value to determine how much each property owner owes for schools, county services, and other public needs.
With a median home price of $292,100, the typical tax burden in the area is meaningful for many households. The median tax bill is $2,777, which is above the national median property tax bill of $2,400 and reflects a higher-than-average cost of ownership. Tax bills can vary widely, with the 25th percentile at $1,447 and the 75th percentile at $4,796, showing how different property values and assessments affect what homeowners pay. At the high end, the 90th percentile reaches $7,561, which can place a significant strain on household budgets.
Median Harsens Island Tax Bill
$2,777
Median St. Clair County Tax Bill
$1,650
Median Michigan Tax Bill
$2,084
Median United States Tax Bill
$2,400
Property Tax Bills Across Harsens Island, St. Clair County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48028 | $791 | $1,447 | $2,777 | $4,796 | $7,561 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 9 |
Links | |
|---|---|
| St. Clair Tax Assessor | |
| Website | www.stclaircounty.org |